<?php  if (!defined('DASHBOARD_ROOT')) { http_response_code(403); exit; } function renderLockdownUI(): string { return "<div class=\"lockdown-ui\"><h3>Emergency Lockdown</h3><p class=\"danger\">This will lock all files on all nodes. Type LOCKDOWN to confirm.</p><input type=\"text\" id=\"lockdown-confirm\" placeholder=\"Type LOCKDOWN\"><textarea id=\"lockdown-reason\" placeholder=\"Reason...\"></textarea><button class=\"btn btn-danger\" data-action=\"executeLockdown\">Execute Lockdown</button></div>"; } 